Messenger

07861, 1981 EK25, 1981EK25, J81E25K

All data for this body: [vot]

MPC data
Name (number) Messenger (7861)
a 2.43964
e 0.17259
i / sin(i) 1.9546 / 0.03411
q 2.01859
Q 2.86069
ω 345.7862
Node 309.0183
m 119.2433
n 0.2587
Epoch 2460800.5
nobs 3118
nopp 25
Years observed 1981-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.437
ep 0.159
sin(ip) 0.048
G 0.150
H 14.610
Mass
D 2.82 0.438
pV 0.321 0.1005
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 15.810
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
44 Nysa 405 Nysa-Polana 0.2100 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4374 0.1593 0.0475 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.82 0.438 0.438 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.321 0.1005 0.1005 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.61 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.98 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.9772 0.9860 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9978 0.9860 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V S 0.1897 0.9860 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT